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5623417 = 25721881
BaseRepresentation
bin10101011100111001111001
3101120200212201
4111130321321
52414422132
6320310201
765540542
oct25347171
911520781
105623417
1131a0a58
121a72361
13121b787
14a654c9
157612e7
hex55ce79

5623417 has 4 divisors (see below), whose sum is σ = 5645556. Its totient is φ = 5601280.

The previous prime is 5623403. The next prime is 5623421. The reversal of 5623417 is 7143265.

5623417 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 2920681 = 1644^2 + 1709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5623417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5623217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10684 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (1411389).

Almost surely, 25623417 is an apocalyptic number.

It is an amenable number.

5623417 is a deficient number, since it is larger than the sum of its proper divisors (22139).

5623417 is a wasteful number, since it uses less digits than its factorization.

5623417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22138.

The product of its digits is 5040, while the sum is 28.

The square root of 5623417 is about 2371.3744959411. The cubic root of 5623417 is about 177.8279805123.

The spelling of 5623417 in words is "five million, six hundred twenty-three thousand, four hundred seventeen".

Divisors: 1 257 21881 5623417